EP2771002A4 - Benzoic acid, benzoic acid derivatives and heteroaryl carboxylic acid conjugates of hydromorphone, prodrugs, methods of making and use thereof - Google Patents

Benzoic acid, benzoic acid derivatives and heteroaryl carboxylic acid conjugates of hydromorphone, prodrugs, methods of making and use thereof

Info

Publication number
EP2771002A4
EP2771002A4 EP12843820.7A EP12843820A EP2771002A4 EP 2771002 A4 EP2771002 A4 EP 2771002A4 EP 12843820 A EP12843820 A EP 12843820A EP 2771002 A4 EP2771002 A4 EP 2771002A4
Authority
EP
European Patent Office
Prior art keywords
benzoic acid
hydromorphone
prodrugs
making
methods
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP12843820.7A
Other languages
German (de)
French (fr)
Other versions
EP2771002A1 (en
Inventor
Travis Mickle
Sven Guenther
Guochen Chi
Jaroslaw Kanski
Andrea K Martin
Bindu Bera
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zevra Therapeutics Inc
Original Assignee
KemPharm Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by KemPharm Inc filed Critical KemPharm Inc
Publication of EP2771002A1 publication Critical patent/EP2771002A1/en
Publication of EP2771002A4 publication Critical patent/EP2771002A4/en
Withdrawn legal-status Critical Current

Links

Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K47/00Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient
    • A61K47/50Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient the non-active ingredient being chemically bound to the active ingredient, e.g. polymer-drug conjugates
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K47/00Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient
    • A61K47/50Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient the non-active ingredient being chemically bound to the active ingredient, e.g. polymer-drug conjugates
    • A61K47/51Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient the non-active ingredient being chemically bound to the active ingredient, e.g. polymer-drug conjugates the non-active ingredient being a modifying agent
    • A61K47/54Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient the non-active ingredient being chemically bound to the active ingredient, e.g. polymer-drug conjugates the non-active ingredient being a modifying agent the modifying agent being an organic compound
    • A61K47/55Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient the non-active ingredient being chemically bound to the active ingredient, e.g. polymer-drug conjugates the non-active ingredient being a modifying agent the modifying agent being an organic compound the modifying agent being also a pharmacologically or therapeutically active agent, i.e. the entire conjugate being a codrug, i.e. a dimer, oligomer or polymer of pharmacologically or therapeutically active compounds
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K31/00Medicinal preparations containing organic active ingredients
    • A61K31/185Acids; Anhydrides, halides or salts thereof, e.g. sulfur acids, imidic, hydrazonic or hydroximic acids
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K31/00Medicinal preparations containing organic active ingredients
    • A61K31/33Heterocyclic compounds
    • A61K31/395Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins
    • A61K31/435Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having six-membered rings with one nitrogen as the only ring hetero atom
    • A61K31/47Quinolines; Isoquinolines
    • A61K31/485Morphinan derivatives, e.g. morphine, codeine
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K31/00Medicinal preparations containing organic active ingredients
    • A61K31/60Salicylic acid; Derivatives thereof
    • A61K31/612Salicylic acid; Derivatives thereof having the hydroxy group in position 2 esterified, e.g. salicylsulfuric acid
    • A61K31/616Salicylic acid; Derivatives thereof having the hydroxy group in position 2 esterified, e.g. salicylsulfuric acid by carboxylic acids, e.g. acetylsalicylic acid
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K31/00Medicinal preparations containing organic active ingredients
    • A61K31/70Carbohydrates; Sugars; Derivatives thereof
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K47/00Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient
    • A61K47/06Organic compounds, e.g. natural or synthetic hydrocarbons, polyolefins, mineral oil, petrolatum or ozokerite
    • A61K47/08Organic compounds, e.g. natural or synthetic hydrocarbons, polyolefins, mineral oil, petrolatum or ozokerite containing oxygen, e.g. ethers, acetals, ketones, quinones, aldehydes, peroxides
    • A61K47/12Carboxylic acids; Salts or anhydrides thereof
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K47/00Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient
    • A61K47/50Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient the non-active ingredient being chemically bound to the active ingredient, e.g. polymer-drug conjugates
    • A61K47/51Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient the non-active ingredient being chemically bound to the active ingredient, e.g. polymer-drug conjugates the non-active ingredient being a modifying agent
    • A61K47/54Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient the non-active ingredient being chemically bound to the active ingredient, e.g. polymer-drug conjugates the non-active ingredient being a modifying agent the modifying agent being an organic compound
    • A61K47/542Carboxylic acids, e.g. a fatty acid or an amino acid
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K9/00Medicinal preparations characterised by special physical form
    • A61K9/0012Galenical forms characterised by the site of application
    • A61K9/0019Injectable compositions; Intramuscular, intravenous, arterial, subcutaneous administration; Compositions to be administered through the skin in an invasive manner
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K9/00Medicinal preparations characterised by special physical form
    • A61K9/0012Galenical forms characterised by the site of application
    • A61K9/0043Nose
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K9/00Medicinal preparations characterised by special physical form
    • A61K9/0012Galenical forms characterised by the site of application
    • A61K9/0053Mouth and digestive tract, i.e. intraoral and peroral administration
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61PSPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P11/00Drugs for disorders of the respiratory system
    • A61P11/14Antitussive agents
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61PSPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P25/00Drugs for disorders of the nervous system
    • A61P25/04Centrally acting analgesics, e.g. opioids
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61PSPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P25/00Drugs for disorders of the nervous system
    • A61P25/30Drugs for disorders of the nervous system for treating abuse or dependence
    • A61P25/36Opioid-abuse
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61PSPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P29/00Non-central analgesic, antipyretic or antiinflammatory agents, e.g. antirheumatic agents; Non-steroidal antiinflammatory drugs [NSAID]
EP12843820.7A 2011-10-26 2012-10-25 Benzoic acid, benzoic acid derivatives and heteroaryl carboxylic acid conjugates of hydromorphone, prodrugs, methods of making and use thereof Withdrawn EP2771002A4 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201161551600P 2011-10-26 2011-10-26
US201261657201P 2012-06-08 2012-06-08
PCT/US2012/061813 WO2013063204A1 (en) 2011-10-26 2012-10-25 Benzoic acid, benzoic acid derivatives and heteroaryl carboxylic acid conjugates of hydromorphone, prodrugs, methods of making and use thereof

Publications (2)

Publication Number Publication Date
EP2771002A1 EP2771002A1 (en) 2014-09-03
EP2771002A4 true EP2771002A4 (en) 2015-08-12

Family

ID=48168468

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12843820.7A Withdrawn EP2771002A4 (en) 2011-10-26 2012-10-25 Benzoic acid, benzoic acid derivatives and heteroaryl carboxylic acid conjugates of hydromorphone, prodrugs, methods of making and use thereof

Country Status (19)

Country Link
US (6) US8816083B2 (en)
EP (1) EP2771002A4 (en)
JP (1) JP5769889B2 (en)
KR (1) KR101589846B1 (en)
CN (2) CN104136031B (en)
AR (1) AR088551A1 (en)
AU (1) AU2012328837B2 (en)
BR (1) BR112014010099A8 (en)
CA (1) CA2856608C (en)
CL (1) CL2014000995A1 (en)
CO (1) CO7010825A2 (en)
HK (2) HK1197191A1 (en)
IL (1) IL231822A0 (en)
IN (1) IN2014DN03009A (en)
MX (1) MX362857B (en)
RU (1) RU2573388C2 (en)
SG (1) SG11201401856VA (en)
WO (1) WO2013063204A1 (en)
ZA (1) ZA201402339B (en)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10849981B2 (en) 2009-07-02 2020-12-01 KemPham, Inc. Benzoic acid, benzoic acid derivatives and heteroaryl carboxylic acid conjugates of hydrocodone, prodrugs, methods of making and use thereof
UA102916C2 (en) 2009-07-02 2013-08-27 Кемфарм, Інк. Composition based on conjugates of hydrocodone with benzoic acid, benzoic acid or heteroaryl carboxylic acid derivatives, prodrugs and method for treatment of abuses
RU2573388C2 (en) * 2011-10-26 2016-01-20 Кемфарм Инк. Benzoic acid, benzoic acid derivatives and heteroaryl carboxylic acid conjugates of hydromorphone, prodrugs, methods for producing and using them
CA2932477C (en) 2013-12-06 2023-10-10 Baikang (Suzhou) Co., Ltd Bioreversable promoieties for nitrogen-containing and hydroxyl-containing drugs
GB201417529D0 (en) 2014-10-03 2014-11-19 Isis Innovation Beta lactamase inhibitors
NZ731591A (en) 2014-11-25 2018-06-29 Kempharm Inc Benzoic acid, benzoic acid derivatives and heteroaryl carboxylic acid conjugates of oxycodone
MX2017006935A (en) * 2014-12-02 2017-08-10 Kempharm Inc * Benzoic acid, benzoic acid derivatives and heteroaryl carboxylic acid conjugates of oxymorphone, prodrugs, methods and making and use thereof.
US10449190B2 (en) 2015-04-27 2019-10-22 John K. Thottathil Alpha-hydroxy carboxylic acid and derivatives and other GRAS-based prodrugs of opioids and uses thereof
US10017519B2 (en) 2015-04-27 2018-07-10 3St Research Llc Alpha-hydroxy carboxylic acid and derivatives and other GRAS based prodrugs of oxycodone and uses thereof
US9987269B2 (en) 2015-04-27 2018-06-05 3St Research Llc Alpha-hydroxy carboxylic acid and derivatives and other GRAS-based prodrugs of oxymorphone and uses thereof
US10226456B2 (en) 2015-04-27 2019-03-12 3St Research Llc Methods and compositions for preventing opioid abuse
EP3210596A1 (en) 2016-02-29 2017-08-30 G.L. Pharma GmbH Abuse-deterrent pharmaceutical composition
EP3231420A1 (en) 2016-02-29 2017-10-18 G.L. Pharma GmbH Abuse-deterrent pharmaceutical compositions
EP3210630A1 (en) 2016-02-29 2017-08-30 G.L. Pharma GmbH Abuse-deterrent pharmaceutical compositions
WO2018071879A1 (en) * 2016-10-14 2018-04-19 Kempharm, Inc. Immediate-release abuse deterrent compositions or medicaments for treating pain, add, adhd and other syndromes or disorders
IL277071B1 (en) 2018-03-08 2024-03-01 Incyte Corp AMINOPYRAZINE DIOL COMPOUNDS AS PI3K-y INHIBITORS
US11046658B2 (en) 2018-07-02 2021-06-29 Incyte Corporation Aminopyrazine derivatives as PI3K-γ inhibitors
WO2021097532A1 (en) * 2019-11-22 2021-05-27 Deakin University Organic corrosion inhibitors
WO2021097531A1 (en) * 2019-11-22 2021-05-27 Deakin University Polyionic corrosion inhibitors

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6150524A (en) * 1995-12-20 2000-11-21 Cenes Ltd. Morphine derivatives with analgesic activity
WO2003011881A2 (en) * 2001-07-27 2003-02-13 Euro-Celtique, S.A. Sugar derivatives of hydromorphone, dihydromorphine and dihydroisomorphine, compositions thereof and uses for treating or preventing pain
WO2008101202A1 (en) * 2007-02-16 2008-08-21 Pharmacofore, Inc. N-17-alkylated prodrugs of opioids
WO2011008636A1 (en) * 2009-07-15 2011-01-20 Mallinckrodt Inc. 3-oxy-hydromorphone derivatives

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4668685A (en) 1984-07-05 1987-05-26 E.I. Du Pont De Nemours And Company Substituted benzoate ester prodrug derivatives of 3-hydroxymorphinans, which are analgesics or narcotic antagonists
US5965161A (en) * 1994-11-04 1999-10-12 Euro-Celtique, S.A. Extruded multi-particulates
NZ298712A (en) * 1995-01-16 1998-12-23 Commw Scient Ind Res Org Fatty acid acyl group conjugates as therapeutic compounds
KR101476574B1 (en) 1999-10-29 2014-12-24 유로-셀티크 소시에떼 아노뉨 Controlled release hydrocodone formulations
BR0210179A (en) 2001-06-05 2004-04-27 Control Delivery Sys Inc Sustained-release analgesic compounds
US7135575B2 (en) 2003-03-03 2006-11-14 Array Biopharma, Inc. P38 inhibitors and methods of use thereof
WO2004082620A2 (en) 2003-03-13 2004-09-30 Controlled Chemicals, Inc. Oxycodone conjugates with lower the abuse potential and extended duration of action
CA2540678C (en) 2003-09-30 2011-02-22 New River Pharmaceuticals Inc. Pharmaceutical compositions for prevention of overdose or abuse
US7661226B2 (en) * 2005-01-11 2010-02-16 Larson Manufacturing Company Installation method for a storm door
EP2007389A2 (en) * 2006-04-14 2008-12-31 Shire LLC Compositions and methods for enhancing analgesic potency of covalently bound compounds, attenuating its adverse side effects, and preventing their abuse
MX2008014794A (en) 2006-05-26 2009-04-08 Pharmacofore Inc Controlled release of phenolic opioids.
WO2008055230A2 (en) 2006-10-31 2008-05-08 Rebit, Inc. Automatically shadowing data for a plurality of network-connected computers using a network-attached memory
US20090186832A1 (en) 2008-01-18 2009-07-23 Shire Llc Amino acid peptide pro-drugs of phenolic analgesics and uses thereof
JP2013523599A (en) 2009-04-02 2013-06-17 シャイア エルエルシー Novel opioid dicarboxylic acid linked amino acid and peptide prodrugs and uses thereof
AU2010266209B2 (en) * 2009-07-02 2013-09-26 Kempharm, Inc. Phenylethanoic acid, phenylpropanoic acid and phenylpropenoic acid conjugates and prodrugs of hydrocodone, methods of making and use thereof
UA102916C2 (en) 2009-07-02 2013-08-27 Кемфарм, Інк. Composition based on conjugates of hydrocodone with benzoic acid, benzoic acid or heteroaryl carboxylic acid derivatives, prodrugs and method for treatment of abuses
CA2768236C (en) 2009-07-16 2018-05-22 Mallinckrodt Llc (+)-morphinans as antagonists of toll-like receptor 9 and therapeutic uses thereof
WO2011031350A1 (en) 2009-09-08 2011-03-17 Pharmacofore, Inc. Compositions comprising enzyme-cleavable ketone-modified opioid prodrugs and optional inhibitors thereof
CA2768199C (en) 2010-07-16 2018-08-28 Mallinckrodt Llc (+)-morphinans as antagonists of toll-like receptor 9 and therapeutic uses thereof
US8685916B2 (en) 2011-03-09 2014-04-01 Signature Therapeutics, Inc. Opioid prodrugs with heterocyclic linkers
RU2573388C2 (en) 2011-10-26 2016-01-20 Кемфарм Инк. Benzoic acid, benzoic acid derivatives and heteroaryl carboxylic acid conjugates of hydromorphone, prodrugs, methods for producing and using them

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6150524A (en) * 1995-12-20 2000-11-21 Cenes Ltd. Morphine derivatives with analgesic activity
WO2003011881A2 (en) * 2001-07-27 2003-02-13 Euro-Celtique, S.A. Sugar derivatives of hydromorphone, dihydromorphine and dihydroisomorphine, compositions thereof and uses for treating or preventing pain
WO2008101202A1 (en) * 2007-02-16 2008-08-21 Pharmacofore, Inc. N-17-alkylated prodrugs of opioids
WO2011008636A1 (en) * 2009-07-15 2011-01-20 Mallinckrodt Inc. 3-oxy-hydromorphone derivatives

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2013063204A1 *

Also Published As

Publication number Publication date
US20190192670A1 (en) 2019-06-27
JP2014532651A (en) 2014-12-08
CN105749294A (en) 2016-07-13
US20170143839A1 (en) 2017-05-25
BR112014010099A2 (en) 2017-06-27
MX362857B (en) 2019-02-20
IL231822A0 (en) 2014-05-28
CA2856608A1 (en) 2013-05-02
MX2014004691A (en) 2014-07-09
SG11201401856VA (en) 2014-05-29
US10258696B2 (en) 2019-04-16
RU2014121065A (en) 2015-12-10
RU2573388C2 (en) 2016-01-20
US9566343B2 (en) 2017-02-14
ZA201402339B (en) 2015-07-29
WO2013063204A1 (en) 2013-05-02
AR088551A1 (en) 2014-06-18
CO7010825A2 (en) 2014-07-31
US10064956B2 (en) 2018-09-04
US20180064820A1 (en) 2018-03-08
US8816083B2 (en) 2014-08-26
HK1197191A1 (en) 2015-01-09
KR20140089520A (en) 2014-07-15
HK1223279A1 (en) 2017-07-28
EP2771002A1 (en) 2014-09-03
CA2856608C (en) 2017-05-16
US20180339056A1 (en) 2018-11-29
CN104136031A (en) 2014-11-05
CN104136031B (en) 2016-05-04
US9849185B2 (en) 2017-12-26
JP5769889B2 (en) 2015-08-26
NZ623106A (en) 2015-06-26
AU2012328837A1 (en) 2014-05-01
IN2014DN03009A (en) 2015-05-08
BR112014010099A8 (en) 2018-01-16
AU2012328837B2 (en) 2015-07-09
US20130150395A1 (en) 2013-06-13
CL2014000995A1 (en) 2014-07-25
US20140330021A1 (en) 2014-11-06
KR101589846B1 (en) 2016-01-28
US10441661B2 (en) 2019-10-15

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